BIOPLASTICS | MATERIALS
conventional shrink capsules, say the companies – while significantly increasing circularity. The new formulation can be used on existing lines and is compatible with Sleevers Combishrink and Combiskinner shrink-fitting equipment, with outputs ranging from 60 to 24,000 bottles per hour. Seelcap Onego was launched at the LuxePack Monaco show last October. The tamper-evident function is necessary to
ensure packaging security. Due to its small size, conventional tamper-evident systems do not fit into traditional packaging sorting and recycling flows – which is where the new system fits in. “This innovation in packaging security meets the
needs of the wine, spirits and alcoholic beverages markets, particularly in countries where recycling channels for glass packaging have not yet been developed,” said Eric Fresnel, president of Sleever International.
Certified range CJ Biomaterials has secured Biodegradable Products Institute (BPI) certification for its range of PHA masterbatches and compounds for the US market. These combine the properties of its Phact-branded PHA and polylactic acid (PLA), for products including rigid and flexible packaging. It means that six products – three masterbatches and three compounds – are now BPI-certified. “BPI certification ensures that products sent to composters are safe, help capture more food scraps, and breakdown within expected timeframes,” said Max Senechal, chief commercial officer at CJ Biomaterials. “As demand for sustainable materials grows, BPI certification will allow us to partner with brands and converters looking to accelerate the development and adoption of new compostable products.” Certification and labelling are
increasingly important as composting infrastructure that accepts food scraps and compostable products expands in the US, said the company. To ensure that commercial composters can maintain manufacturing high-quality compost, BPI certification requires that certified products facilitate the capture of food or green waste. Diverting food scraps away from landfills can help to reduce methane emissions.
Bio-based PVC TekniPlex Healthcare claims it is the first
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company to develop medical-grade, bio-based PVC compounds that are ISCC Plus-certified. It says the compounds – including plasticisers –
are equivalent to traditional medical-grade PVC in terms of chemical composition, functionality, and regulatory viability. The compounds can reduce CO2 emissions by up to 90% compared with conventional PVC resins, and around 60% relative to traditional PVC plasticisers, says the company. They can be used as a drop-in replacement for a variety of extruded PVC applications including tubing solutions and films used for trays, pouches and bags. “This is a significant step forward in healthcare
materials science sustainability,” said Meg Henke, global head of product management at TekniPlex Healthcare.
Bioplastics recycling A pan-European project will attempt to boost the recycling of bioplastics. ReBioCycle, which began last year, will establish
separate ‘hubs’ for mechanical, chemical, enzymatic and microbial recycling. These will be located in the Netherlands, Italy, Spain and Ireland. The project aims to demonstrate the impact of obtaining the same or superior grade of three types of recycled bioplastics – PLA, PHA and composites – in higher-value applications. European Bioplastics and its members – including TotalEnergies Corbion, Aimplas, Novamont, Sulapac and Kaneka – are among the 20 project partners. “Current recycling technologies for
recycling biodegradable plastics are limited,” said Jan Pels, managing director of Torwash, which leads the Dutch hub. “With this project we are going to make them widely available – then nobody can claim that biodegradable plastics cannot be recycled.” ReBioCycle will separate the three
types of bioplastics by adapting and upscaling existing sorting technologies. It will also propose a range of bioplastics recycling technologies at a relevant scale and demonstrate their effectiveness. This will result in a position paper on
the status of bioplastics recycling, to provide a contribution to various European action plans and strategies. ReBioCycle has received €7.5 million in funding from the European Union’s Horizon Europe research programme.
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Left: Sleever and Carbios say they have developed the first home- compost tamper
evident seal January/February 2025 | FILM & SHEET EXTRUSION 19
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